I have been using the Ushio bulb for a month now and purchased it for the same extra 1000 lumens that you mentioned. So far so good with no problems. It seems to give off a lot of light and my girls seem to be responding in a very positive way, (lots of growth). I am using an HPS magnetic ballast for the whole cycle due to my girls being Auto-flowering with a 60-70 day life span. I so far would highly recommend the Ushio bulb, German made. There aren’t too may bad products made in Germany.
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